Singh, Ayodhya .
Textbook of environmental chemistry / by Ayodhya Singh. - New Delhi : Campus Books International , 2002 - 542p :
81-87815-85-X
Chemistry
G:55(E) / P2;3
Textbook of environmental chemistry / by Ayodhya Singh. - New Delhi : Campus Books International , 2002 - 542p :
81-87815-85-X
Chemistry
G:55(E) / P2;3